Countries

Code Country Contact National MO site
AFG Afghanistan Onder Akkusci <onderakkuscu@gmail.com>
ALB Albania Adrian Naço <nacosotir@gmail.com> https://www.ama.org.al/
ALG Algeria Abdelhafid Hadjsadok - Abdallah Rahmani <olympiades@education.gov.dz>
AGO Angola Gabriel Boaventura <gabrielboaventura1968@gmail.com>
ARG Argentina Patricia Fauring <fauringpatricia@gmail.com> http://www.oma.org.ar/
ARM Armenia Gurgen Asatryan <asatryangurgen21@gmail.com> http://www.olymp.am/
AUS Australia Ben Kirk <ben.kirk@amt.edu.au> http://www.amt.edu.au/
AUT Austria Theresia Eisenkölbl <theresia.eisenkoelbl@univie.ac.at> https://www.oemo.at/
AZE Azerbaijan Fuad Garayev <fuad.qarayev@edu.gov.az>
BAH Bahrain
BGD Bangladesh Mahbub Majumdar <where.is.mahbub@gmail.com> http://www.matholympiad.org.bd/
BLR Belarus David Zmiaikou <david.zmiaikou@gmail.com>
BEL Belgium Bart Windels <bart.windels@telenet.be> https://www.vwo.be/vwo/belgianmatholympiads
BEN Benin Leonard Todjihounde <leonardt67@gmail.com>
BTN Bhutan Yeshey Lhendup <yesheylhendup@moe.gov.bt>
BOL Bolivia Sonia Cordero Cárdenas <soniacordero3r@gmail.com> https://www.omatbol.org/
BIH Bosnia and Herzegovina Muharem Avdispahić <mavdispa@pmf.unsa.ba>
BWA Botswana Mmoloki Lekhutlile <mlekhutlile@gmail.com> https://mabtrust.co.bw/
BRA Brazil Edmilson Luis Rodrigues Motta <edmilsonlrm@gmail.com> http://www.obm.org.br/
BRU Brunei Syed Rozman bin Haji Syed Abd Rahim <rozmansr@hotmail.com>
BGR Bulgaria Emil Kolev <emilkol@gmail.com> http://www.math.bas.bg/
BFA Burkina Faso Antonio Kambiré <antoniokambire@gmail.com> https://cmathburkina.org/
KHM Cambodia Seam Ngonn <seamngonn@yahoo.fr>
CMR Cameroon Joseph Domguia <imocmr@gmail.com> https://olympiad.cm/
CAN Canada James Rickards <imo@cms.math.ca> https://cms.math.ca/competitions/cmo/
CHI Chile Hernan Burgos <hernan.burgos@ufrontera.cl> http://www.olimpiadadematematica.cl/
COL Colombia María Falk Losada <mariadelosada@gmail.com> http://oc.uan.edu.co/
CIS Commonwealth of Independent States
CRI Costa Rica Comisión de las Olimpiadas Costarricenses de Matemáticas <olcoma@ucr.ac.cr> http://olcoma.ac.cr/
HRV Croatia Matija Bašić <mbasic@math.hr> http://www.matematika.hr/index.php/natjecanja/
CUB Cuba Nelson Tomás Hernandez Reyes <nelsonh231059@gmail.com>
CYP Cyprus Gregory Makrides <makrides.g@eaecnet.com> http://www.cms.org.cy/
CZE Czech Republic Pavel Calábek <pavel.calabek@upol.cz> http://www.matematickaolympiada.cz/
CZS Czechoslovakia
PRK Democratic People's Republic of Korea GI CHAN KIM <drkedu@163.com>
DEN Denmark Kirsten Rosenkilde <kr@georgmohr.dk> http://www.georgmohr.dk/
DOM Dominican Republic Zulaicka M. Guzmán G. <zulaicka.guzman@minerd.gob.do>
ECU Ecuador Jorge Chamaidan <jchamaidan@yahoo.com>
EGY Egypt
SLV El Salvador Riquelmi Salvador Cardona Fuentes <riquelmi.cardona@jovenestalento.edu.sv> https://www.jovenestalento.edu.sv/
EST Estonia Oleg Košik <oleg.koshik@ut.ee> http://www.math.olympiaadid.ut.ee/
FIN Finland Anne-Maria Ernvall-Hytönen <anne-maria.ernvall-hytonen@helsinki.fi> http://matematiikkakilpailut.fi/
FRA France Vincent Jugé et Johan Yebbou <vincent.juge@animath.fr> http://www.animath.fr/
GMB Gambia Kolapo I. Abdul <youthcarefd@yahoo.com>
GEO Georgia George Chelidze <giorgi.chelidze@kiu.edu.ge>
GDR German Democratic Republic
GER Germany Uwe Leck <uwe.leck@uni-flensburg.de> https://www.mathe-wettbewerbe.de/
GHA Ghana Joel M. Dogoe <admin@misemaths.org> http://www.misemaths.org/
HEL Greece Anargyros Fellouris <info@hms.gr> http://www.hms.gr/
GTM Guatemala José Carlos Bonilla <jcbonilla14@gmail.com>
HND Honduras Comité Hondureño de Olimpiadas Matemáticas <olimpiadamatematica.honduras@gmail.com>
HKG Hong Kong Lander Lam <ccdoge@edb.gov.hk>
HUN Hungary Viktor Harangi <harangi@gmail.com>
ISL Iceland Marteinn Thor Harðarson <mart1thor@gmail.com> http://stae.is/stak/keppnin
IND India Prof. Prithwijit De <nc_matholy@hbcse.tifr.res.in> http://olympiads.hbcse.tifr.res.in/subjects/mathematics
IDN Indonesia Aleams Barra <aleamsbarra@gmail.com> http://www.tomi.or.id/
IRQ Iraq Miri Tas <miritas2011@gmail.com>
IRL Ireland Bernd Kreussler <bernd.kreussler@mic.ul.ie> http://www.irmo.ie/
IRN Islamic Republic of Iran Ali Partofard <alipartofard@ipm.ir> http://www.mathysc.ir/
ISR Israel Lev Radzivilovsky <levr78@hotmail.com> http://www.weizmann.ac.il/zemed/gillis
ITA Italy Massimo Gobbino <massimo.gobbino@unipi.it> http://olimpiadi.dm.unibo.it/
CIV Ivory Coast Adama Coulibaly <couliba@yahoo.fr>
JAM Jamaica Raymond McEachin <rmceachin@hotmail.com>
JPN Japan 前田 吉昭 <info@imojp.org> http://www.imojp.org/
KAZ Kazakhstan Gazhdembek Tursunov <daryn.intel@gmail.com>
KEN Kenya James Kiwanuka Katende <jkatende@uonbi.ac.ke> http://kkmo-official.com/
KSV Kosovo Armend Shabani <shoqata.matematikaneve@gmail.com> http://www.kms-ks.org/
KWT Kuwait Adnan Abdulmuhsen <Cjakmian@kfas.org.kw>
KGZ Kyrgyzstan Ishmatov Makhamadkhan <matematikLL@gmail.com>
LAO Laos Sackmone Sirisack <ssirisack2000@yahoo.com>
LVA Latvia Maruta Avotiņa <nms@lu.lv> http://nms.lu.lv/
LBY Libya
LIE Liechtenstein Arnaud Maret <a.maret@mathematical.olympiad.ch> https://mathematical.olympiad.ch/en/
LTU Lithuania Aivaras Novikas <aivaras.novikas@mif.vu.lt> https://mif.vu.lt/matematikos-olimpiados/
LUX Luxembourg Mike Dostert <mike.dostert@education.lu>
MAC Macau Ieng Tak Long <itleong@um.edu.mo>
MDG Madagascar Fanja Rakotondrajao <frakoton@yahoo.fr>
MAS Malaysia M. Suhaimi Ramly <contact@imo-malaysia.org> https://imo-malaysia.org/
MRT Mauritania Horma Ould HAMOUD <horma04@yahoo.fr> https://maurimath.net/Olympiades.php
MEX Mexico Maria Guadalupe Russell Noriega <mgrussell@uas.edu.mx> http://www.ommenlinea.org/
MNG Mongolia Otgonbayar Uuye <otogo@mmoc.mn> http://www.mmo.mn/
MNE Montenegro Tatjana Vujosevic <tatjana.vujosevic@iccg.edu.me>
MAR Morocco ASENSOUYIS Hassan <hassan_asensouyis@yahoo.fr>
MOZ Mozambique Luis de Nascimento Paulo <nascimento@mined.gov.mz>
MMR Myanmar HTIN AUNG <grandpahtinaung@gmail.com>
NAM Namibia Martin Mugochi <mmugochi@unam.na> https://nmo.ncrst.na/
NPL Nepal Binod Prasad Pant <binod@kusoed.edu.np> https://www.mathassociationnepal.org.np/
NLD Netherlands Quintijn Puite <olympiade@wiskundeolympiade.nl> http://wiskundeolympiade.nl/
NZL New Zealand Kevin Shen <info@mathsolympiad.org.nz> https://www.mathsolympiad.org.nz/
NIC Nicaragua Hank de Jesús Espinoza Serrano <hankchuus@yahoo.com> http://www.asjtnic.org/
NGA Nigeria Promise Mebine <p.mebine@yahoo.com> http://www.nmcabuja.org/
MKD North Macedonia Gjorgji Markoski <gorgi.markoski@gmail.com> https://smm.org.mk/
NOR Norway Dag Wessel-Berg <dag.wessel-berg@ntnu.no> https://www.abelkonkurransen.no/
OMN Oman Maya Al Azri <mayaalazri@gmail.com>
PAK Pakistan Sarfraz Ahmad <sarfrazahmad@cuilahore.edu.pk>
PSE Palestine Dr. Mohamed Khalil <imo.palestine@moe.edu.ps> https://moe.edu.ps/
PAN Panama Pedro A. Marrone G. <pmarrone@opm.org.pa> http://www.opm.org.pa/
PAR Paraguay Gabriela Gómez Pasquali <gabriela@omapa.org.py> http://www.omapa.org.py/
CHN People's Republic of China HUANG Lei <leihuang@amss.ac.cn>
PER Peru Comisión de Olimpiadas de la Sociedad Matemática Peruana <olimpiadas.matematicas@pucp.pe> https://selectivos-peru.blogspot.com/
PHI Philippines Hazel Joy Shi <hgshi@up.edu.ph> https://pmo.ph/
POL Poland Tomasz Cieśla <t.ciesla@mimuw.edu.pl> http://om.sem.edu.pl/
POR Portugal Joana Teles <jteles@mat.uc.pt> http://www.spm.pt/olimpiadas
PRI Puerto Rico Luis F. Cáceres <luis.caceres1@upr.edu> http://om.pr/
QAT Qatar
KOR Republic of Korea Prof. Hoseog Yu <kmo@kms.or.kr> https://www.kmo.or.kr/
MDA Republic of Moldova Anatolie Topala <anatoltop@yahoo.com>
ROU Romania Cătălin Gherghe <catalinliviu.gherghe@gmail.com> http://rms.unibuc.ro/
RUS Russian Federation Kirill Sukhov <imo.russia@gmail.com> http://math.rosolymp.ru/
RWA Rwanda Arun Shanmuganathan <shan.arun@gmail.com> https://rwandamatholympiad.com/
SAU Saudi Arabia Sultan Saud Albarakati <sultan.albarakati@kaust.edu.sa> https://www.mawhiba.org/
SEN Senegal Samba Dabo <sdabo345@gmail.com>
SRB Serbia Miljan Knežević <kmiljan@matf.bg.ac.rs> https://dms.rs/
SCG Serbia and Montenegro
SGP Singapore Yong Sheng Soh <matsys@nus.edu.sg> http://sms.math.nus.edu.sg/
SVK Slovakia Stanislav Krajči <stanislav.krajci@upjs.sk> http://skmo.sk/
SVN Slovenia Gregor Dolinar <gregor.dolinar@fe.uni-lj.si> http://www.dmfa.si/
SAF South Africa Liam Baker <bakerbakura@gmail.com> http://www.samf.ac.za/
ESP Spain María Gaspar <mgaspar@ucm.es> https://www.rsme.es/olimpiada-matematica-espanola
LKA Sri Lanka Chanakya J. Wijeratne <chanakya_wijeratne@yahoo.com> http://www.slmathsolympiad.org/
SWE Sweden Jana Madjarova <jana@chalmers.se> http://www.mattetavling.se/
SUI Switzerland Arnaud Maret <a.maret@mathematical.olympiad.ch> https://mathematical.olympiad.ch/en/
SYR Syria Hala Al Dakkak <dca.olympiad@gmail.com> https://dca-net.org/
TWN Taiwan Yen-chi Roger Lin <yclinpa@gmail.com> https://tpmso.org/tmo/
TJK Tajikistan Umed Karimov <u.h.karimov@gmail.com>
TZA Tanzania Ertugrul Tarhan <ertugrultarhan72@gmail.com>
THA Thailand Thiradet Jiarasuksakun <imo_thai@ipst.ac.th>
TTO Trinidad and Tobago Indra Haraksingh <iharaksingh@gmail.com>
TUN Tunisia Taoufik Charrada <tawfik.charrada@gmail.com>
NCY Turkish Republic of Northern Cyprus
TKM Turkmenistan Pirmyrat Gurbanov <pirgurban@gmail.com>
TUR Türkiye Azer Kerimov <kerimov@fen.bilkent.edu.tr> https://bilimolimpiyatlari.tubitak.gov.tr/tr
UGA Uganda Joseph Ssebuliba <ssebulibaa@gmail.com> https://ums.ug/
UKR Ukraine Bogdan Rublov <rublyovbv@gmail.com> http://matholymp.com.ua/
USS Union of Soviet Socialist Republics
UAE United Arab Emirates Ministry of Education <masterminds@moe.gov.ae> http://competitions.ae/masterminds/
UNK United Kingdom Geoff Smith <geoffsmith1729@gmail.com> https://bmos.ukmt.org.uk/
USA United States of America Doug Ensley <amchq@maa.org> https://maa.org/student-programs/amc/
URY Uruguay Maximiliano Stock <lacompartida@gmail.com> https://com-partidauruguay.weebly.com/
UZB Uzbekistan Science Olympiad Center <info@olympcenter.uz> http://olympiad.uzedu.uz/
VEN Venezuela Rafael Sánchez <lamonedar@gmail.com> https://www.acmven.org/
VNM Vietnam Gia Vuong Nguyen Chu <ncgvuong@math.ac.vn>
YEM Yemen Munaf Abood <munafabood@hotmail.com>
YUG Yugoslavia
ZWE Zimbabwe A Stewart <stewarta@maths.uz.ac.zw>